The Rowin Chromatic Tuner is a small tuner pedal from Rowin. Like other chromatic pedal tuners, it sits in your signal chain and shows you the pitch of whatever note you play, so you can tune up quickly between songs without unplugging your guitar.
What it does
The pedal detects the note you play and displays it, letting you tune your instrument. You can also press the FLAT/DISP to change the tuning mode display1.
Its single labeled control handles the display side of the job:
| Control | What it does |
|---|---|
| FLAT/DISP | Press to change the tuning mode display1 |
That FLAT/DISP control is what lets you shift the reference for flat tunings, where the whole guitar is tuned down by a set number of semitones, a common need for players using dropped or half-step-down tunings1.
The FLAT/DISP button changes the display mode rather than muting or switching the pedal, so check how your unit behaves in your signal chain before relying on it to silence your signal between songs1.
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Jeffrey Duavis
Sources (1)
- FTN2 MINI Chromatic Guitar Tuner by KOKKO, RockBoard (rockboard.de), 2026




